AROB_ECOSE
ID AROB_ECOSE Reviewed; 362 AA.
AC B6I2U7;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-DEC-2008, sequence version 1.
DT 03-AUG-2022, entry version 78.
DE RecName: Full=3-dehydroquinate synthase {ECO:0000255|HAMAP-Rule:MF_00110};
DE Short=DHQS {ECO:0000255|HAMAP-Rule:MF_00110};
DE EC=4.2.3.4 {ECO:0000255|HAMAP-Rule:MF_00110};
GN Name=aroB {ECO:0000255|HAMAP-Rule:MF_00110}; OrderedLocusNames=ECSE_3650;
OS Escherichia coli (strain SE11).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=409438;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SE11;
RX PubMed=18931093; DOI=10.1093/dnares/dsn026;
RA Oshima K., Toh H., Ogura Y., Sasamoto H., Morita H., Park S.-H., Ooka T.,
RA Iyoda S., Taylor T.D., Hayashi T., Itoh K., Hattori M.;
RT "Complete genome sequence and comparative analysis of the wild-type
RT commensal Escherichia coli strain SE11 isolated from a healthy adult.";
RL DNA Res. 15:375-386(2008).
CC -!- FUNCTION: Catalyzes the conversion of 3-deoxy-D-arabino-heptulosonate
CC 7-phosphate (DAHP) to dehydroquinate (DHQ). {ECO:0000255|HAMAP-
CC Rule:MF_00110}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate = 3-
CC dehydroquinate + phosphate; Xref=Rhea:RHEA:21968, ChEBI:CHEBI:32364,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58394; EC=4.2.3.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- COFACTOR:
CC Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC Note=Binds 1 divalent metal cation per subunit. Can use either Co(2+)
CC or Zn(2+). {ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- COFACTOR:
CC Name=NAD(+); Xref=ChEBI:CHEBI:57540;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00110};
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 2/7. {ECO:0000255|HAMAP-Rule:MF_00110}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00110}.
CC -!- SIMILARITY: Belongs to the sugar phosphate cyclases superfamily.
CC Dehydroquinate synthase family. {ECO:0000255|HAMAP-Rule:MF_00110}.
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DR EMBL; AP009240; BAG79174.1; -; Genomic_DNA.
DR RefSeq; WP_000439846.1; NC_011415.1.
DR AlphaFoldDB; B6I2U7; -.
DR SMR; B6I2U7; -.
DR EnsemblBacteria; BAG79174; BAG79174; ECSE_3650.
DR GeneID; 66672731; -.
DR KEGG; ecy:ECSE_3650; -.
DR HOGENOM; CLU_001201_0_2_6; -.
DR OMA; YGVIWDA; -.
DR UniPathway; UPA00053; UER00085.
DR Proteomes; UP000008199; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003856; F:3-dehydroquinate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR GO; GO:0009073; P:aromatic amino acid family biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008652; P:cellular amino acid biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009423; P:chorismate biosynthetic process; IEA:UniProtKB-UniPathway.
DR HAMAP; MF_00110; DHQ_synthase; 1.
DR InterPro; IPR016037; DHQ_synth_AroB.
DR InterPro; IPR030963; DHQ_synth_fam.
DR InterPro; IPR030960; DHQS/DOIS.
DR Pfam; PF01761; DHQ_synthase; 1.
DR PIRSF; PIRSF001455; DHQ_synth; 1.
DR TIGRFAMs; TIGR01357; aroB; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Aromatic amino acid biosynthesis; Cobalt;
KW Cytoplasm; Lyase; Metal-binding; NAD; Nucleotide-binding; Zinc.
FT CHAIN 1..362
FT /note="3-dehydroquinate synthase"
FT /id="PRO_1000094512"
FT BINDING 71..76
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 105..109
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 129..130
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 142
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 151
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 169..172
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 184
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 247
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
FT BINDING 264
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00110"
SQ SEQUENCE 362 AA; 38863 MW; F0D8FCC10D5C9182 CRC64;
MERIVVTLGE RSYPITIASG LFNEPASFLP LKSGEQVMLV TNETLAPLYL DKVRGVLEQA
GVNVDSVILP DGEQYKSLAV LDTVFTALLQ KPHGRDTTLV ALGGGVVGDL TGFAAASYQR
GVRFIQVPTT LLSQVDSSVG GKTAVNHPLG KNMIGAFYQP ASVVVDLDCL KTLPPRELAS
GLAEVIKYGI ILDGAFFNWL EENLDALLRL DGPAMAYCIR RCCELKAEVV AADERETGLR
ALLNLGHTFG HAIEAEMGYG NWLHGEAVAA GMVMAARTSE RLGQFSSAET QRIITLLKRA
GLPVNGPREM SAQAYLPHML RDKKVLAGEI RLILPLAIGK SEVRSGVSHE LVLNAIADCQ
SA
